Standard widths are 1.2m to 2.4m in 200mm increments, The silos and hoppers are designed in such a way that the loads imposed from conveying equipment, personnel, snow loads etc go directly to ground level through the vertical stiffeners, so no independent support structures are needed to locate catwalks.
Platforms and ladders are manufactured to suit each clients individual requirements and are all fully hooped and strapped for safety and are finished hot dip galvanised.